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README.md
pom.xml

README.md

版权声明

本作品采用知识共享署名 4.0 国际许可协议进行许可。 本文作者:低调小熊猫 文章链接:https://aodeng.cc/archives/springbootqi 转载声明:自由转载-非商用-非衍生-保持署名,非商业转载请注明作者及出处,商业转载请联系作者本人qq:2696284032

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个人博客:https://aodeng.cc 微信公众号:低调小熊猫 qq交流群:756796932

单一文件上传

@PostMapping("uploadOne")
    public String uploadOne(@RequestParam("file") MultipartFile file, RedirectAttributes redirectAttributes){
        if(file.isEmpty()){
            redirectAttributes.addFlashAttribute("message","请选择上传文件");
            return "redirect:uploadShow";
        }
        try {
            //获取文件并保存
            byte[] bytes = file.getBytes();
            Path path= Paths.get(UPLOADED_FOLDER+file.getOriginalFilename());
            Files.write(path,bytes);
            redirectAttributes.addFlashAttribute("message",file.getOriginalFilename()+"文件上传完成");
        }catch (IOException e){
            e.printStackTrace();
        }
        return "redirect:uploadShow";
    }

Base64文件上传

可以去这个网站将图片加密成Base64码 http://base64.xpcha.com/pic.html

@PostMapping("/uploadBase")
    @ResponseBody
    public void upload2(String base64) throws IOException {
        // TODO BASE64 方式的 格式和名字需要自己控制(如 png 图片编码后前缀就会是 data:image/png;base64,)
        final File tempFile = new File("c:\\temp\\test.jpg");//上传文件保存的路径
        // TODO 防止有的传了 data:image/png;base64, 有的没传的情况
        String[] d = base64.split("base64,");
        final byte[] bytes = Base64Utils.decodeFromString(d.length > 1 ? d[1] : d[0]);
        FileCopyUtils.copy(bytes, tempFile);
    }
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